A Double Update PWM Method to Improve Robustness for the Deadbeat Current Controller in Three-Phase Grid-Connected System

<table class="fixed-width table-group" id="tab6"><tr><td><table class="table"><colgroup><col style="width:9.34em"/><col style="width:4.56em"/><col style="width:8.36em"/><col style="width:5.69em"/></colgroup><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left"><b>Method</b></td><td class="align_center"><span width=""><b><i>k</i></b><svg height="6.51632pt" id="M172" style="vertical-align:-3.2226pt" version="1.1" viewbox="-0.0498162 -3.29372 40.8111 6.51632" width="40.8111pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.0091,0,0,-0.0091,2.179,3.132)"><path d="M476 46L464 83C454 79 442 75 430 75C414 75 398 88 398 135V295C398 350 389 395 345 427C317 448 285 457 244 457C184 446 112 410 75 385C53 368 40 356 40 337C40 308 78 285 104 285C125 285 141 292 148 318C156 348 165 374 177 388C187 399 198 405 211 405C250 405 271 368 271 310V285C248 264 170 239 110 217C56 197 31 172 31 119C31 55 82 -12 169 -12C188 -12 236 20 275 46C280 35 287 21 302 9C315 -3 336 -12 364 -12L476 46ZM271 85C253 72 242 68 228 68C205 68 167 87 167 142C167 176 183 193 214 209C235 219 252 230 271 241V85Z" id="g22-95"></path></g><g transform="matrix(.0091,0,0,-0.0091,6.374,3.132)"><path d="M336 37L325 78C308 70 290 66 274 66C255 66 218 73 218 152V391H310C328 400 329 434 317 445H218V587L203 594L87 515V445H47L17 405L23 391H87V116C87 25 134 -12 211 -12C218 -12 234 -9 252 0L336 37Z" id="g22-114"></path></g><rect height="0.3985" width="2.74024" x="10.0612" y="2.73319"></rect><g transform="matrix(.0091,0,0,-0.0091,12.801,3.132)"><path d="M403 124C367 92 337 83 296 83S159 125 159 257C159 361 204 400 244 400C270 400 301 385 344 348C352 341 359 337 366 337C384 337 410 365 410 395C411 410 407 422 392 433C375 446 343 457 305 457H304C266 457 199 443 133 395C69 348 30 277 30 202C30 92 112 -12 250 -12C311 -12 378 30 425 96L403 124Z" id="g22-97"></path></g><g transform="matrix(.0091,0,0,-0.0091,16.705,3.132)"><path d="M226 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class="align_left">Proposed method</td><td class="align_center">0.5</td><td class="align_center">35ms</td><td class="align_center">no</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The dynamic experimental results of grid currents.</div>

Journal of Electrical and Computer Engineering

tab6

Table 6

Table 6: A Double Update PWM Method to Improve Robustness for the Deadbeat Current Controller in Three-Phase Grid-Connected System 